只要本地用户与远端用户同时运行程序，其中一方在地址栏中输入对方IP，呼叫对方，对方确认接听电话后，就可以通话了。-As long as local users and remote users to run programs at the same time, one of the parties to each other in the address bar enter the IP, call each other after the other to confirm the phone,